Several years ago a well-known public official left Illinois andmoved to Texas. A local regional reporter revealed bothhis regional chauvinism and his feelings about the official when heremarked that “on this occasion he raised the mean IQ in bothstates”.
Such a statistical change is possible. Explain how.
Considering this, and since the mean IQ of the US is the averageof the means of all the states, it appears that by a merereshuffling of populations between states, one could increase themean IQ of the U.S! Is this so? Explain.